package com.ljk.util;

import org.apache.commons.lang3.ObjectUtils;

public class ObjUtil {

    public static boolean isNull(Object obj) {
        return obj == null;
    }

    public static boolean isNotNull(Object obj) {
        return obj != null;
    }

    public static boolean isEmpty(Object obj) {
        return ObjectUtils.isEmpty(obj);
    }

    public static boolean isNotEmpty(Object obj) {
        return !isEmpty(obj);
    }


}
